Check the listing for details. Vintage-Bogen-CHS-35 35-Watt-PA-Amplifier-Fully-Tested. Condition: Used. Listed at 149.99 USD. Vintage Bogen CHS-35 35Watt PA Amplifier Fully Tested. This is professional equipment. Able to deliver continuous 35W; specially suitable for public announcements, music, etc. Allows to mix 2 microphones and 1 of 2 auxiliary sources. Unit in extremely good shape and fully tested. Has a couple of small scratches as expected for a vintage unit. According to manufacturer:The Bogen Models CHS-35 is a public address mixer amplifiers that provide mixing of microphones, and auxiliary sources. Output screw terminals are provided for 4-ohm, 8-ohm, 16-ohm/25V and 70V (transformer-coupled) speaker systems. Output connection let you connect to a tape recorder or an additional booster amplifier.• Inputs: 2 MIC (Lo-Z), 2 MIC (Hi-Z), 2 AUX (Hi-Z), selectable as 2 microphones and 1 auxiliary input.• Each selected input controlled by an independent volume control• Treble and bass controls• Thermal protection and electronic shutdown• Power Requirements: 120V AC, 60 Hz